title: Effectiveness of 20% benzocaine as a topical anesthetic for intraoral injections.
mesh_terms: D000287:Administration, Topical; D000293:Adolescent; D000328:Adult; D000779:Anesthetics, Local / Q000008:administration & dosage*; D001566:Benzocaine / Q000008:administration & dosage*; D005260:Female; D006801:Humans; D007267:Injections / Q000295:instrumentation; D016015:Logistic Models; D008297:Male; D008340:Mandibular Nerve; D008442:Maxillary Nerve; D008875:Middle Aged; D009339:Needles / Q000009:adverse effects; D009407:Nerve Block / Q000295:instrumentation; D010146:Pain / Q000517:prevention & control; D010147:Pain Measurement; D012189:Retrospective Studies
chemical_list: D000779:Anesthetics, Local; D001566:Benzocaine